/**********************************************************/
/** profileButton_Click: Event handler for the profile button
**/
/** Preconditions: None
**/
/** Postconditions: Displays the profile form
**/
/** Parameters: object sender, EventArgs e
**/
/** Return: void
**/
/**********************************************************/
private void profileButton_Click(object sender, EventArgs e)
{
// Displays the profile of the user
myProfileForm myprofile = new myProfileForm();
// calls the form’s constructor.
// Must match the form name exactly
myprofile.ShowDialog();
//shows the form as a dialog
}
/**********************************************************/
/** calculateButton_Click: Event handler for the Calculate button
**/
/** Preconditions: None
**/
/** Postconditions: Opens the profile page, then calculates
* the user's BMR based on their information on the profile form
**/
/** Parameters: object sender, EventArgs e
**/
/** Return: void
**/
/**********************************************************/
private void calculateButton_Click(object sender, EventArgs e)
{
myProfileForm profile = new myProfileForm();
profile.ShowDialog();
// Constants for BMR calculation
const double MALE_WEIGHT_MULT = 6.23;
const double MALE_HEIGHT_MULT = 12.7;
const double MALE_AGE_MULT = 6.8;
const double MALE_BASE_VALUE = 66;
const double FEMALE_WEIGHT_MULT = 4.35;
const double FEMALE_HEIGHT_MULT = 4.7;
const double FEMALE_AGE_MULT = 4.7;
const double FEMALE_BASE_VALUE = 655;
const double LITTLE_ACTIVITY_LEVEL_MULT = 1.2;
const double LIGHT_ACTIVITY_LEVEL_MULT = 1.375;
const double MODERATE_ACTIVITY_LEVEL_MULT = 1.55;
const double HEAVY_ACTIVITY_LEVEL_MULT = 1.725;
const double EXTREME_ACTIVITY_LEVEL_MULT = 1.9;
// Grab the data from the profiles properties
int weight = profile.Weight;
int height = profile.Height;
int age = profile.Age;
double calculated_bmr = 0;
double activity_multiplier = 0;
// Calculate the MBR for MALE/FEMALE
if (maleRadio.Checked)
{
calculated_bmr = (MALE_BASE_VALUE + (MALE_WEIGHT_MULT * weight) + (MALE_HEIGHT_MULT * height) - (MALE_AGE_MULT * age));
}
else
{
calculated_bmr = (FEMALE_BASE_VALUE + (FEMALE_WEIGHT_MULT * weight) + (FEMALE_HEIGHT_MULT * height) - (FEMALE_AGE_MULT * age));
}
switch (exerciseLevelListbox.SelectedIndex)
{
// Sets the exercise level multiplier based on the listbox selection
case 0:
activity_multiplier = LITTLE_ACTIVITY_LEVEL_MULT;
break;
case 1:
activity_multiplier = LIGHT_ACTIVITY_LEVEL_MULT;
break;
case 2:
activity_multiplier = MODERATE_ACTIVITY_LEVEL_MULT;
break;
case 3:
activity_multiplier = HEAVY_ACTIVITY_LEVEL_MULT;
break;
case 4:
activity_multiplier = EXTREME_ACTIVITY_LEVEL_MULT;
break;
default:
// If something goes wrong, it will result in a zero, so the user
// isn't getting bad information
activity_multiplier = 0;
break;
}
// Multiply the bmr by the activity multiplier
calculated_bmr = (calculated_bmr * activity_multiplier);
if (calculated_bmr > 0)
{
// Put the newly calculated BMR data in the labels
bmrOutput.Text = calculated_bmr.ToString("0.00");
}
else
{
// Something went wrong with the listbox
MessageBox.Show("There was an error with the activity level -- please select one of the 5 options; contact an administrator if this error persists.");
}
}
